<?php
/**
 * Smarty Internal Plugin Compile Modifier
 * 
 * Compiles code for modifier execution
 * 
 * @package Smarty
 * @subpackage Compiler
 * @author Uwe Tews 
 */
/**
 * Smarty Internal Plugin Compile Modifier Class
 */
class Smarty_Internal_Compile_Private_Modifier extends Smarty_Internal_CompileBase {
    /**
     * Compiles code for modifier execution
     * 
     * @param array $args array with attributes from parser
     * @param object $compiler compiler object
     * @return string compiled code
     */
    public function compile($args, $compiler)
    {
        $this->compiler = $compiler;
        $this->smarty = $this->compiler->smarty;
        $this->required_attributes = array('modifier', 'params'); 
        // check and get attributes
        $_attr = $this->_get_attributes($args); 
        // check for registered modifier
        if (isset($compiler->smarty->registered_plugins['modifier'][$_attr['modifier']])) {
            $function = $compiler->smarty->registered_plugins['modifier'][$_attr['modifier']][0];
            if (!is_array($function)) {
                $output = "{$function}({$_attr['params']})"; 
            } else {
                if (is_object($function[0])) {
                    $output = '$_smarty_tpl->smarty->registered_plugins[\'modifier\'][\'' . $_attr['modifier'] . '\'][0][0]->' . $function[1] . '(' . $_attr['params'] . ')';
                } else {
                    $output = $function[0] . '::' . $function[1] . '(' . $_attr['params'] . ')';
                } 
            } 
	    // check for plugin modifier
        } else if ($function = $this->compiler->getPlugin($_attr['modifier'], 'modifier')) {
            $output = "{$function}({$_attr['params']})"; 
            // check if trusted PHP function
        } else if (is_callable($_attr['modifier'])) {
            // check if modifier allowed
            if (!$this->compiler->template->security || $this->smarty->security_handler->isTrustedModifier($_attr['modifier'], $this->compiler)) {
                $output = "{$_attr['modifier']}({$_attr['params']})";
            } 
        } else {
            $this->compiler->trigger_template_error ("unknown modifier \"" . $_attr['modifier'] . "\"");
        } 
        return $output;
    } 
} 

?>